Finding the Fourth Proportional to 2,404.20, 3,606.46 and 672.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,404.20 : 3,606.46 = 672.76 : x
2. Step 2: Convert to fraction form
   2,404.20/3,606.46 = 672.76/x
3. Step 3: Cross multiply
   2,404.20x = 3,606.46 × 672.76
4. Step 4: Simplify right side
   2,404.20x = 2,426,282.03
5. Step 5: Solve for x
   x = 2,426,282.03/2,404.20
6. Step 6: Final answer
   x = 1,009.18